24947040 has 48 divisors (see below), whose sum is σ = 78584688. Its totient is φ = 6652416.

The previous prime is 24947023. The next prime is 24947081. The reversal of 24947040 is 4074942.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 24946989 and 24947007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25507 + ... + 26466.

It is an arithmetic number, because the mean of its divisors is an integer number (1637181).

Almost surely, 2^24947040 is an apocalyptic number.

24947040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24947040 is an abundant number, since it is smaller than the sum of its proper divisors (53637648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24947040 is a wasteful number, since it uses less digits than its factorization.

24947040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51991 (or 51983 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 24947040 is about 4994.7011922637. The cubic root of 24947040 is about 292.1951532116.

The spelling of 24947040 in words is "twenty-four million, nine hundred forty-seven thousand, forty".